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Math Help - Transformations

  1. #1
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    Transformations

    Find the coordinates of the image point when (-4, -3) is rotated 1/4 turn ccw about (0, 0) and then reflected over the y axis.
    ANy help is appreciated
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  2. #2
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    The rotation matrix gives:
    \begin{gathered}<br />
  x' = x\cos (\theta ) - y\sin (\theta ) \hfill \\<br />
  y' = x\sin (\theta ) + y\cos (\theta ) \hfill \\ <br />
\end{gathered}
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